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SUNSHINE DURATION SENSOR

The SD4 Sunshine Sensor indicates the time the disk of the sun is not obscured by clouds.
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price:   AUD1875

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PRODUCTS -> SD4 SUNSHINE SENSOR

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SUNSHINE DURATION SENSOR

Four identical omni-directional sensors under a hemispherical shading canopy.

Embedded microcontroller executes a sophisticated contrast-evaluation algorithm to accurately discriminate direct sunshine from diffuse sunlight.

 SD4

Performance Specification

WMO recommended

SD4

sunshine duration uncertainity

0.1 hour

< 0.1 hour

sunshine duration resolution

0.1 hour

0.02hr (0.01hr option)

sunshine threshold (direct solar irradiance)

120 W.m-2 20%

120 W.m-2 15%

unobstructed view of sun above horizon

> 3

> 3

 

EASY TO USE, RELIABLE, ACCURATE, FULLY ELECTRONIC

Excellent performance even in difficult bright-cloud conditions.

Fully sealed, with a glass dome to protect the sensors.

Simple high/low output is used to indicate sunshine/no sunshine.

Operates at any latitude & longitude, and does not require alignment.

Marine-grade aluminium, hard anodised, for corrosion resistance.

Compact size and light weight.

The SD4 replaces the Middleton Solar  RS-4 and RS-6 Sunshine Duration Sensors.

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